Freidin Aaron sold $672K of GRAL

Freidin Aaron (Chief Financial Officer) sold 7,900 shares of GRAIL, Inc. (GRAL) at $85.01 ($0.67M total) on 2026-08-27 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Freidin Aaron
Published Sep 1, 2026, 12:07 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 1, 2026, 12:40 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$GRAL
Bearish
medium confidence
Mentioned
$GRAL
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GRALBearishLow
01

Why it matters

The transaction represents a modest reduction in insider ownership, unlikely to shift valuation dramatically.

02

Market read

Primary relevance to GRAL shareholders; limited broader market effect.

03

What to watch

Potential upcoming data releases or financing activities could contextualize the sale.

Relevance 4/10Novelty 7/10Timing: post‑market 2026‑08‑27

Background

Form 4 filings disclose insider transactions; CFO sales are monitored for material signals.

Company-level read

Ticker impact

$GRALBearishMedium confidence
Context

CFO Aaron Freidin sold 7,900 shares for $671,579 via a 10b5-1 plan on 2026-08-27.

Expected impact

Potential short-term dip of 1‑2% as market digests insider sale.

Evidence & confidence

Sale size is modest relative to holdings (≈3% of post‑sale position) and executed under a pre‑arranged plan, limiting strong inference.

Market effects

Minimal impact on the broader biotech sector; insider sales are routine.

U.S. market only; no regional ripple.

Low; limited to GRAL investors.

Counterpoint

The sale may be purely procedural under the 10b5‑1 plan, not indicative of negative outlook.

Key entities

  • GRAIL, Inc.

    US‑listed biotech firm developing early cancer detection tests.

  • Aaron Freidin

    Chief Financial Officer of GRAIL.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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